公开(公告)号：US09725543B2

公开(公告)日：2017-08-08

申请号：US14540551

申请日：2014-11-13

Applicant: Korea Research Institute of Chemical Technology

Inventor： Soo-Bok Lee ,  In Jun Park ,  Jong-Wook Ha ,  Kwang Won Lee ,  Sang Goo Lee

IPC: C08F214/28 ,  C08G65/22

CPC classification number: C08F214/28 ,  C08G65/226

Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing ofhexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide poylymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at −10 to 20° C.

公开(公告)号：US20150073112A1

公开(公告)日：2015-03-12

申请号：US14540551

申请日：2014-11-13

Applicant: Korea Research Institute of Chemical Technology

Inventor： Soo-Bok Lee ,  In Jun Park ,  Jong-Wook Ha ,  Kwang Won Lee ,  Sang Goo Lee

IPC: C08F214/28

CPC classification number: C08F214/28 ,  C08G65/226

Abstract: The present invention relates to hexafluoropropylene oxide polymer composition and a process of preparing of hexafluoropropylene oxide polymer by an anionic polymerization, and in particular the hexafluoropropylene oxide polymer composition comprises an anionic initiator, a polar solvent, hexafluoropropylene and hexafluoropropylene oxide. The hexafluoropropylene oxide polymer is prepared under particular reaction conditions by using the composition, hexafluoropropylene oxide poylymer prepared by using the composition according to a preparation process herein has a weight average molecular weight (Mw) of 1,500-4,000 at −10-20° C.

Abstract translation: 本发明涉及六氟环氧丙烷聚合物组合物和通过阴离子聚合制备六氟环氧丙烷聚合物的方法，特别是六氟环氧丙烷聚合物组合物包括阴离子引发剂，极性溶剂，六氟丙烯和六氟环氧丙烷。 通过使用该组合物在特定的反应条件下制备六氟环氧丙烷聚合物，通过使用根据本发明的制备方法的组合物制备的六氟环氧丙烷聚合物在-10-20℃下的重均分子量（Mw）为1,500-4,000

公开(公告)号：US12173147B2

公开(公告)日：2024-12-24

申请号：US16913016

申请日：2020-06-26

Applicant: KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Eun-Ho Sohn ,  In Joon Park ,  Soo Bok Lee ,  Jong-Wook Ha

IPC: C08L27/12 ,  C08F220/06 ,  C08F220/14 ,  C08L33/10 ,  C08K5/1535 ,  C08K5/23

Abstract: In an aspect of the present invention, a fluoropolymer represented by formula 1 is provided. The fluoropolymer provided in one aspect of the present invention can obtain low surface energy and high light transmittance, and thus can be applied to various applications requiring such properties. In particular, when the fluoropolymer is coated on glass, the surface energy can be lowered to 19 mN/m or less and the light transmittance can be increased by 2% or more. At the same time, it has the effect of exhibiting excellent pencil hardness. In addition, the fluoropolymer provided in one aspect of the present invention can be applied as a surface coating and membrane material of various products due to its high solubility in general organic solvents, despite having very low surface energy during coating. Furthermore, the fluoropolymer has excellent adhesive power to the substrate surface and is capable of hardening, so it can be applied to various fields such as automotive glass, building exterior materials, condensers in fresh water or power plants, and solar cells.